Ribbon cartridge



FIG. 1 is a perspective view of a ribbon cartridge according to our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines depict environmental subject matter and define the bounds of the claimed design and form no part of the claimed design. 

The ornamental design for a ribbon cartridge, as shown and described. 